Merge branch 'pr/18'

code/__HELPERS/matrices.dm

@@ -2,7 +2,7 @@
 	. = new_angle - old_angle
 	Turn(.) //BYOND handles cases such as -270, 360, 540 etc. DOES NOT HANDLE 180 TURNS WELL, THEY TWEEN AND LOOK LIKE SHIT
 
-/atom/proc/SpinAnimation(speed = 10, loops = -1, clockwise = 1, segments = 3)
+/atom/proc/SpinAnimation(speed = 10, loops = -1, clockwise = 1, segments = 3, parallel = TRUE)
 	if(!segments)
 		return
 	var/segment = 360/segments
@@ -18,7 +18,11 @@
 
 	speed /= segments
 
-	animate(src, transform = matrices[1], time = speed, loops)
+	if(parallel)
+		animate(src, transform = matrices[1], time = speed, loops , flags = ANIMATION_PARALLEL)
+	else
+		animate(src, transform = matrices[1], time = speed, loops)
+
 	for(var/i in 2 to segments) //2 because 1 is covered above
 		animate(transform = matrices[i], time = speed)
 		//doesn't have an object argument because this is "Stacking" with the animate call above

code/__HELPERS/reagents.dm

@@ -0,0 +1,74 @@
+/proc/chem_recipes_do_conflict(datum/chemical_reaction/r1, datum/chemical_reaction/r2)
+	//do the non-list tests first, because they are cheaper
+	if(r1.required_container != r2.required_container)
+		return FALSE
+	if(r1.is_cold_recipe == r2.is_cold_recipe)
+		if(r1.required_temp != r2.required_temp)
+			//one reaction requires a more extreme temperature than the other, so there is no conflict
+			return FALSE
+	else
+		var/datum/chemical_reaction/cold_one = r1.is_cold_recipe ? r1 : r2
+		var/datum/chemical_reaction/warm_one = r1.is_cold_recipe ? r2 : r1
+		if(cold_one.required_temp < warm_one.required_temp)
+			//the range of temperatures does not overlap, so there is no conflict
+			return FALSE
+
+	//find the reactions with the shorter and longer required_reagents list
+	var/datum/chemical_reaction/long_req
+	var/datum/chemical_reaction/short_req
+	if(r1.required_reagents.len > r2.required_reagents.len)
+		long_req = r1
+		short_req = r2
+	else if(r1.required_reagents.len < r2.required_reagents.len)
+		long_req = r2
+		short_req = r1
+	else
+		//if they are the same length, sort instead by the length of the catalyst list
+		//this is important if the required_reagents lists are the same
+		if(r1.required_catalysts.len > r2.required_catalysts.len)
+			long_req = r1
+			short_req = r2
+		else
+			long_req = r2
+			short_req = r1
+
+
+	//check if the shorter reaction list is a subset of the longer one
+	var/list/overlap = r1.required_reagents & r2.required_reagents
+	if(overlap.len != short_req.required_reagents.len)
+		//there is at least one reagent in the short list that is not in the long list, so there is no conflict
+		return FALSE
+
+	//check to see if the shorter reaction's catalyst list is also a subset of the longer reaction's catalyst list
+	//if the longer reaction's catalyst list is a subset of the shorter ones, that is fine
+	//if the reaction lists are the same, the short reaction will have the shorter required_catalysts list, so it will register as a conflict
+	var/list/short_minus_long_catalysts = short_req.required_catalysts - long_req.required_catalysts
+	if(short_minus_long_catalysts.len)
+		//there is at least one unique catalyst for the short reaction, so there is no conflict
+		return FALSE
+
+	//if we got this far, the longer reaction will be impossible to create if the shorter one is earlier in GLOB.chemical_reactions_list, and will require the reagents to be added in a particular order otherwise
+	return TRUE
+
+/proc/get_chemical_reaction(id)
+	if(!GLOB.chemical_reactions_list)
+		return
+	for(var/reagent in GLOB.chemical_reactions_list)
+		for(var/datum/chemical_reaction/R in GLOB.chemical_reactions_list[reagent])
+			if(R.id == id)
+				return R
+
+/proc/remove_chemical_reaction(datum/chemical_reaction/R)
+	if(!GLOB.chemical_reactions_list || !R)
+		return
+	for(var/rid in R.required_reagents)
+		GLOB.chemical_reactions_list[rid] -= R
+
+//see build_chemical_reactions_list in holder.dm for explanations
+/proc/add_chemical_reaction(datum/chemical_reaction/R)
+	if(!GLOB.chemical_reactions_list || !R.id || !R.required_reagents || !R.required_reagents.len)
+		return
+	var/primary_reagent = R.required_reagents[1]
+	if(!GLOB.chemical_reactions_list[primary_reagent])
+		GLOB.chemical_reactions_list[primary_reagent] = list()
+	GLOB.chemical_reactions_list[primary_reagent] += R

code/__HELPERS/time.dm

@@ -70,3 +70,6 @@ GLOBAL_VAR_INIT(rollovercheck_last_timeofday, 0)
 	if(hour)
 		hourT = " and [hour] hour[(hour != 1)? "s":""]"
 	return "[day] day[(day != 1)? "s":""][hourT][minuteT][secondT]"
+
+/proc/daysSince(realtimev)
+	return round((world.realtime - realtimev) / (24 HOURS))